document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87258>Question 87258</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find f(-3) if f(x) = -2x^3-8x^2+2x-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63194 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63194\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-2x%5E3-8x%5E2%2B2x-1 ALIGN=MIDDLE  ALT=\"f%28x%29=-2x%5E3-8x%5E2%2B2x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given polynomial\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=-2%28-3%29%5E3-8%28-3%29%5E2%2B2%28-3%29-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=-2%28-3%29%5E3-8%28-3%29%5E2%2B2%28-3%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-3 ALIGN=MIDDLE  ALT=\"x=-3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=-2%28-27%29-8%28-3%29%5E2%2B2%28-3%29-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=-2%28-27%29-8%28-3%29%5E2%2B2%28-3%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Raise -3 to the third power to get -27\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=-2%28-27%29-8%289%29%2B2%28-3%29-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=-2%28-27%29-8%289%29%2B2%28-3%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Raise -3 to the second power to get 9\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=--54-8%289%29%2B2%28-3%29-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=--54-8%289%29%2B2%28-3%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 2 by -27 to get -54\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=--54-72%2B2%28-3%29-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=--54-72%2B2%28-3%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 8 by 9 to get 72\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=--54-72%2B-6-1 ALIGN=MIDDLE  ALT=\"f%28-3%29=--54-72%2B-6-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 2 by -3 to get -6\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-3%29=-25 ALIGN=MIDDLE  ALT=\"f%28-3%29=-25\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms\r<BR>\n" );
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document.write( "Notice if we graph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-2x%5E3-8x%5E2%2B2x-1 ALIGN=MIDDLE  ALT=\"f%28x%29=-2x%5E3-8x%5E2%2B2x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the point (-3,-25) we get\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+drawing%28900%2C+900%2C+-10%2C+5%2C+-30%2C+5%2C%0D%0Agraph%28+900%2C+900%2C+-10%2C+5%2C+-30%2C+5%2C+-2x%5E3-8x%5E2%2B2x-1%29%2C%0D%0Acircle%28-3%2C-25%2C0.05%29%2C%0D%0Acircle%28-3%2C-25%2C0.08%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and we can see that (-3,-25) is on the curve. So this verifies our answer\r<BR>\n" );
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